Home / 147,968,020.80-221,952,031.20-130,052,116.80

Finding the Fourth Proportional to 147,968,020.80, 221,952,031.20 and 130,052,116.80

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Solution

The fourth proportional to 147,968,020.80, 221,952,031.20 and 130,052,116.80 is: 195,078,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,968,020.80 : 221,952,031.20 = 130,052,116.80 : x
  2. Step 2: Convert to fraction form
    147,968,020.80/221,952,031.20 = 130,052,116.80/x
  3. Step 3: Cross multiply
    147,968,020.80x = 221,952,031.20 × 130,052,116.80
  4. Step 4: Simplify right side
    147,968,020.80x = 28,865,331,485,619,640
  5. Step 5: Solve for x
    x = 28,865,331,485,619,640/147,968,020.80
  6. Step 6: Final answer
    x = 195,078,175.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.